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Resonance can be used to sound?
amplify
Which type of electromagnetic wave would be most useful for a device to warm food safely?
Microwaves
How are micro waves produced?
Microwaves are electromagnetic waves with a frequency of about 2.45 GHz and a wavelength of about 12.2 cm; in the electromagnetic spectrum, they fall before infrared light but after radio waves (Heckert 2007). In a microwave oven, microwaves are produced by a device called a magnetron.-Google
How is radiation used in your lives?
You use radiation in microwaves
What are microwaves created by?
a microwave is actually a particle of light below the visible spectrum that we can see. a magnetron is the device in a microwave oven that produces the microwaves by using an electromagnet that charged produces a light wave at the proper frequency to make it a microwave.
Why amplifier is required?
Amplifiers are the device which are used to amplify a signal Multistage amplifier are use to amplify a signal into a desire level
What is ment by transistor?
semiconductor device used to amplify and switch electronic signals and electrical power.
What is transitors?
A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power
What is the verb for amplify?
Amplify is a verb. This device amplifies the signal from the microphone so that it can be heard.
What is maser and laser?
maser : any of several devices that amplify or generate electromagnetic waves, especially microwaves.
Transistor is a linear or non linear circuit element?
it is not a passive device .y because it is used to amplify the voltage and current .so as according to the definition of active device is the device which is used to amplify the current r voltage .hence transistor is a active device.
What are advantages and disadvantages of multistage amplifier?
to amplify a small signal to sufficient level,so that it can travel to a large distance from first stage till the last stage
Device for generating and ampifying microwaves?
a maser
What is microwave tube?
microwave tubes are sometime called as vaccum eletrpn device... that are used to generate or amplify microwave radio frequencies.
Which quantity does a transister amplify?
Depends on the circuit the transistor is used in:it can amplify voltageit can amplify currentit can amplify power
Device for generating and amplifying microwaves?
Maser
Can a current transformer be used for current amplify?
transformers cannot amplify!
